Boat stabilizer



FIG. 1 is a top perspective view of a boat stabilizer showing my newdesign;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a side elevational view thereof, the opposite side elevationalview being a mirror image of that shown.

The ornamental design for a boat stabilizer, as shown and described.